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GREYUIT [131]
2 years ago
5

What was the procedure during the first successful vaccination?

Biology
2 answers:
netineya [11]2 years ago
4 0
The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed. He observed that milkmaids who previously had caught cowpox did not catch smallpox and showed that inoculated vaccinia protected against inoculated variola virus
Mekhanik [1.2K]2 years ago
4 0
Sheeeeeeeesssshhhhhhhhh
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Variation of ecological habitats within a species is characteristic of which type of diversity? a. genetic diversity b. ecosyste
zheka24 [161]

An ecosystem is a geographic area where plants, animals, and the other organisms work for the existence of bubble life.

<h3>Variation of ecological habitats within a species is characteristic of which type of diversity?</h3>

The variation of ecological habitats within a specie is character of the type of diversity is known as Ecosystem Diversity.

Ecosystem is defined as the different kinds of habitats, ecological processes and communities. A biological community is defined by the specie which occupy a specific area and the interactions between the species.

So we can conclude that: An ecosystem is a geographic area where plants, animals, and the other organisms work for the existence of bubble life.

Learn more about Ecological Habitat here: brainly.com/question/7413811

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5 0
1 year ago
My eyes are green-blue. Blue-green eyes are my:
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1. Genotype 2. w

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2 years ago
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2. To focus a microscope using the high power lens you must first in low power center the specimen and make sure it is in focus. Then switch to high power and adjust using the fine adjustment or the smaller knob.

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3 years ago
DNA from one species differs from the DNA of another species in its
Firlakuza [10]
The correct option is A.
The DNA from one specie differ from the DNA of another specie on the basis of their base ratio. The base ratio refers to the percentage of purine to pyrimidine in a DNA molecule. The base ratio is the one that is responsible for the variability that is observed in chromosomes from different species. 
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What is the relationship between wavelengths and frequency of electromagnetic waves
goldfiish [28.3K]

Answer:

The relationship among the speed of propagation, wavelength, and frequency for any wave is given by vW = fλ, so that for electromagnetic waves, c = fλ, where f is the frequency, λ is the wavelength, and c is the speed of light.

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